Sharina sends you to intercept an important Thexian who is getting too close to discovering the ancient weapon of Wu.

Head to the Thexian camp near the Greater Faydark entrance. There is a climbing wall down to the Thexian camp at ( -558, -37, 384 ) /waypoint -558, -37, 384 or a path leading down to the camp East of Sharpthorn Thicket.

Find and kill a Thexian strategist ( -599, -61, 474 ) /waypoint -599, -61, 474. This is a 55-57^^^ heroic mob that spawns when you walk into the heroic camp.